MQTT switch "This entity does not have a unique ID" error

@Vorta wrote:

I’ve got a few Tasmota devices which I want to add to Home Assistant. I tried auto discovery but making changes to those devices or even removing them was very difficult. So I’ve decided to configure them manually.

I’ve got a following config for the switch:

switch bathroom_socket_switch_1:
  - platform: mqtt
    name: "Bathroom Socket Switch 1"
    icon: "mdi:power"
    state_topic: "tasmota/bathroom/stat/POWER1"
    command_topic: "tasmota/bathroom/cmnd/POWER1"
    availability_topic: "tasmota/bathroom/tele/LWT"
    qos: 1
    payload_on: "ON"
    payload_off: "OFF"
    payload_available: "Online"
    payload_not_available: "Offline"
    retain: true

The switch gets added in Home Assistant and can be toggled, however if I go to Configuration > Entites and try to open the switch, this is what I get:

I had the same problem with MQTT sensors - “This entity does not have a unique ID”, but I’ve solved that by adding unique_id in their config. Switches do not support unique_id so I’m at loss. What are my options to fix this or is this supposed to be like that?

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